Classification
330 - Economics
2
370 - Education
380 - Commerce, communications & transportation
000 - Computer science, information & general works
1
300 - Social sciences
1
363 - Other social problems & services
1
400 - Language
1
600 - Technology
1
610 - Medicine & health
1
658 - General management
1
700 - The arts; fine & decorative arts
1